| Maardu to Oswego (Illinois) | 4,491.51 mi (7,228.39 km) |
| Maardu to Oswego (New York) | 4,058.94 mi (6,532.24 km) |
| Maardu to Otsego (Minnesota) | 4,411.96 mi (7,100.36 km) |
| Maardu to Ottawa (Illinois) | 4,523.93 mi (7,280.56 km) |
| Maardu to Ottawa (Kansas) | 4,856.42 mi (7,815.65 km) |
| Maardu to Ottumwa (Iowa) | 4,637.43 mi (7,463.22 km) |
| Maardu to Overland (Missouri) | 4,723.78 mi (7,602.19 km) |
| Maardu to Overland Park (Kansas) | 4,824.33 mi (7,764.00 km) |
| Maardu to Overlea (Maryland) | 4,291.02 mi (6,905.74 km) |
| Maardu to Oviedo (Florida) | 5,058.71 mi (8,141.21 km) |
| Maardu to Owasso (Oklahoma) | 5,012.49 mi (8,066.82 km) |
| Maardu to Owatonna (Minnesota) | 4,472.99 mi (7,198.58 km) |
| Maardu to Owensboro (Kentucky) | 4,691.56 mi (7,550.34 km) |
| Maardu to Owings Mills (Maryland) | 4,296.55 mi (6,914.62 km) |
| Maardu to Owosso (Michigan) | 4,302.30 mi (6,923.89 km) |
